Portable computer



FIG. 1 is a perspective view of the front, top and right side of a portable computer showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a perspective view similar to FIG. 1 with the keyboard in a raised position and an internal component thereof partially extended.

The broken lines are shown in FIG. 8 for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portable computer, as shown and described. 